aarch64-linux-gnu
alpha-linux-gnu
am33_2.0-linux
arc-linux-gnu
arm-linux-gnu
arm-linux-gnueabi
avr
avr-linux
bfin-linux-gnu
bfin-uclinux
bin
bpf-unknown-none
c6x-linux-gnu
c6x-uclinux
cmake
cris-linux-gnu
doc
etc
frv-linux-gnu
games
h8300-elf
h8300-linux-gnu
hppa-linux-gnu
hppa64-linux-gnu
i686-w64-mingw32
ia64-linux-gnu
include
lib